.aqua-gradient {
    background: -o-linear-gradient(40deg,#2096ff, #fffc00,#05ffa3) !important;
    background: -webkit-linear-gradient(40deg,#2096ff, #fffc00,#05ffa3) !important;
    background: linear-gradient(40deg,#2096ff, #fffc00,#05ffa3) !important;
}

.hidden {
    display: none!important;
}

.harlem-shake {
    background-color: red;
    animation: harlem 4s infinite;
    -webkit-animation: harlem 4s infinite;
}

@-webkit-keyframes harlem {
    0%   {background-color: red;}
    25%  {background-color: yellow;}
    50%  {background-color: blue;}
    100% {background-color: green;}
}

@keyframes harlem {
    0%   {background-color: red;}
    25%  {background-color: yellow;}
    50%  {background-color: blue;}
    100% {background-color: green;}
}